buildscript {
    repositories { jcenter() }
    dependencies {
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.3.1'
        classpath "com.github.jruby-gradle:jruby-gradle-jar-plugin:1.0.1"
        classpath 'com.github.ben-manes:gradle-versions-plugin:0.11.3'
        classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.2'
    }
}
apply plugin: "com.github.jruby-gradle.jar"
apply plugin: 'com.jfrog.bintray'
apply plugin: 'com.github.johnrengelman.shadow'

def java_projects = [project(":embulk-core"), project(":embulk-standards"), project(":embulk-cli")]
def release_projects = [project(":embulk-core"), project(":embulk-standards")]

allprojects {
    group = 'org.embulk'
    version = '0.8.0'

    ext {
        jrubyVersion = '9.0.4.0'
    }

    apply plugin: 'java'
    apply plugin: 'maven-publish'
    apply plugin: 'com.jfrog.bintray'

    test {
        maxHeapSize = "1536m"
    }

    //
    // bintrayUpload task
    //
    bintray {
        // write at your bintray user name and api key to ~/.gradle/gradle.properties file:
        // bintray_user=frsyuki
        // bintray_api_key=xxxxxxxxxxx
        user = project.hasProperty('bintray_user') ? bintray_user : ''
        key = project.hasProperty('bintray_api_key') ? bintray_api_key : ''

        publications = ['bintrayMavenRelease']

        filesSpec {
            // include embulk-<version>.jar built by 'cli' task
            from "pkg/embulk-${project.version}.jar"
            into "."
        }

        dryRun = false
        publish = true

        pkg {
            userOrg = 'embulk'
            repo = 'maven'
            name = 'embulk'
            desc = 'Embulk, a plugin-based parallel bulk data loader'
            websiteUrl = 'https://github.com/embulk/embulk'
            issueTrackerUrl = 'https://github.com/embulk/embulk/issues'
            vcsUrl = 'https://github.com/embulk/embulk.git'
            licenses = ['Apache-2.0']
            labels = ['embulk', 'ruby', 'java']
            publicDownloadNumbers = true

            version {
                name = project.version
                // TODO
                //mavenCentralSync {
                //    sync = true
                //    user = 'userToken'
                //    password = 'paasword'
                //    close = '1'
                //}
            }
        }
    }
}

subprojects {
    if (java_projects.contains(project)) {
        apply plugin: 'maven'
        apply plugin: 'findbugs'
        apply plugin: 'jacoco'

        repositories {
            mavenCentral()
            jcenter()
        }

        sourceCompatibility = 1.7
        targetCompatibility = 1.7

        def defaultEncoding = 'UTF-8'
        [compileJava, compileTestJava]*.options*.encoding = defaultEncoding
        dependencies {
            testCompile 'junit:junit:4.12'
        }

        tasks.withType(JavaCompile) {
            options.compilerArgs << "-Xlint:unchecked" //<< "-Xlint:deprecation"
        }
        tasks.withType(FindBugs) {
            reports {
                xml.enabled = false
                html.enabled = true
            }
        }

        findbugs {
            ignoreFailures = true
        }

        javadoc {
            options {
                locale = 'en_US'
                encoding = 'UTF-8'
            }
        }

        // add tests/javadoc/source jar tasks as artifacts to be released
        task testsJar(type: Jar, dependsOn: classes) {
            classifier = 'tests'
            from sourceSets.test.output
        }
        task sourcesJar(type: Jar, dependsOn: classes) {
            classifier = 'sources'
            from sourceSets.main.allSource
        }
        task javadocJar(type: Jar, dependsOn: javadoc) {
            classifier = 'javadoc'
            from javadoc.destinationDir
        }
        artifacts {
            archives testsJar, sourcesJar, javadocJar
        }
    }

    publishing {
        publications {
            if (release_projects.contains(project)) {
                bintrayMavenRelease(MavenPublication) {
                    from components.java
                    artifact testsJar
                    artifact sourcesJar
                    artifact javadocJar
                }
            }
        }
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.6'
}

import com.github.jrubygradle.JRubyExec
jruby {
    execVersion = project.jrubyVersion
}

dependencies {
    jrubyExec 'rubygems:simplecov:0.10.+'
    jrubyExec 'rubygems:test-unit:3.0.+'
}

import java.util.zip.ZipFile
import java.util.zip.ZipEntry
task updateResources(dependsOn: 'classpath') {
    doFirst {
        List<String> packages = []
        List<String> dirs = []
        file("classpath").listFiles().each { jarFile ->
            List<String> names = new ZipFile(jarFile.toString()).entries().iterator().collect { it.getName() }
            packages.addAll(names.findAll { it.endsWith(".class") }.collect { it.replaceFirst(/(?:^|\/)[^\/]*\.class$/, '').replaceAll(/\//, '.') }.unique())
            dirs.addAll(names.findAll { !it.endsWith("/") && !it.endsWith(".class") }.collect { it.replaceFirst(/(?:^|\/)[^\/]*$/, '') }.unique())
        }
        packages = packages.unique()
        dirs = dirs.unique()
        List<String> uniquePackages = packages.clone()
        List<String> uniqueDirs = dirs.clone()
        packages.each { pk -> uniquePackages.removeAll { it.startsWith(pk + '.') } }
        dirs.each { dir -> uniqueDirs.removeAll { it.startsWith(dir + '/') } }
        uniquePackages.removeAll { it.isEmpty() }
        uniqueDirs.removeAll { it.isEmpty() || it == "META-INF" }
        String date = new Date().format('yyyy-MM-dd HH:mm:ss z', TimeZone.getTimeZone("UTC"))
        file("embulk-core/src/main/resources/embulk/parent_first_packages.properties").withWriter { out ->
            out.println("# generated by './gradlew updateResources' at $date")
            uniquePackages.sort().each { out.println it }
        }
        file("embulk-core/src/main/resources/embulk/parent_first_resources.properties").withWriter { out ->
            out.println("# generated by './gradlew updateResources' at $date")
            uniqueDirs.sort().each { out.println it }
        }
    }
    doLast {
        classpath.execute()
    }
}

//
// classpath task
//
task classpath(dependsOn: ['build', ':embulk-cli:classpath']) << { }
clean { delete 'classpath' }

//
// cli task
//
task cli(dependsOn: ':embulk-cli:shadowJar') << {
    file('pkg').mkdirs()
    File f = file("pkg/embulk-${project.version}.jar")
    f.write("")
    f.append(file("embulk-cli/src/main/sh/selfrun.sh").readBytes())
    f.append(file("embulk-cli/build/libs/embulk-cli-${project.version}-all.jar").readBytes())
    f.setExecutable(true)
}
bintrayUpload.dependsOn(['cli'])

project(':embulk-cli') {
    apply plugin: 'com.github.johnrengelman.shadow'

    shadowJar {
        manifest {
            attributes 'Implementation-Title': project.name,
                       'Implementation-Version': project.version,
                       'Implementation-Vendor-Id': project.group,
                       'Specification-Title': project.name,
                       'Specification-Version': project.version,
                       'Main-Class': 'org.embulk.cli.Main'
        }
        append("${rootProject.projectDir}/COPYING")
    }

    task classpath(type: Copy) {
        File dest = file("${rootProject.projectDir}/classpath")
        doFirst { dest.deleteDir() }
        from configurations.runtime
        into dest
    }
}

task rubyTest(type: JRubyExec) {
    jrubyArgs '-Ilib', '-Itest', '-rtest/unit', '--debug', './test/run-test.rb'
}
rubyTest.dependsOn('classpath')

//
// gem task
//
task gemJRuby(type: JRubyExec, dependsOn: ["classpath"]) {
    jrubyArgs '-rrubygems/gem_runner', '-eGem::GemRunner.new.run(ARGV)'
    script './lib/embulk/version.rb'  // dummy
    scriptArgs 'build', 'embulk.gemspec'
    doLast { file("${project.name}-${project.version}-java.gem").renameTo("pkg/${project.name}-${project.version}-java.gem") }
}

task gem(type: Exec, dependsOn: ["classpath", "gemJRuby"]) {
    executable "gem"
    args "build", "embulk.gemspec"
    doFirst {
        def rubyVersion = file(".ruby-version").getText().trim()
        if (!"ruby --version".execute().text.contains(rubyVersion)) {
            throw new GradleException("Version of 'ruby' command in PATH must be ${rubyVersion}. Use rbenv and install ${rubyVersion}")
        }
    }
    doLast { file("${project.name}-${project.version}.gem").renameTo("pkg/${project.name}-${project.version}.gem") }
}

//
// rubyGemsUpload task
//
task rubyGemsUploadJRuby(type: Exec, dependsOn: ["gem"]) {
    executable "gem"
    args "push", "pkg/embulk-${project.version}-java.gem"
}
task rubyGemsUpload(type: Exec, dependsOn: ["gem", "rubyGemsUploadJRuby"]) {
    executable "gem"
    args "push", "pkg/embulk-${project.version}.gem"
}

//
// releaseCheck and release tasks
//
task releaseCheck << {
    if (!file("lib/embulk/version.rb").getText().contains("${project.version}")) {
        throw new GradleException("lib/embulk/version.rb doesn't include ${project.version}")
    }
    if (!file("embulk-docs/src/release/release-${project.version}.rst").getText().contains("${project.version}")) {
        throw new GradleException("Release note for ${project.version} doesn't exist")
    }
    if (!file("embulk-docs/src/release.rst").getText().contains("release-${project.version}")) {
        throw new GradleException("embulk-docs/src/release.rst doesn't include release-${project.version}")
    }
    String date = new Date().format("yyyy-MM-dd")
    if (!file("embulk-docs/src/release/release-${project.version}.rst").getText().contains(date)) {
        throw new GradleException("embulk-docs/src/release/release-${project.version}.rst doesn't include today's release date")
    }
    // TODO check git-ls-files includes release-<version>.rst file
    println "Ready. Run 'release' task."
}

task release(dependsOn: ["releaseCheck", "bintrayUpload", "rubyGemsUpload"]) << {
    println """
Manual operations:

  git commit -am v${project.version}
  git tag v${project.version}

"""
}
bintrayUpload.mustRunAfter('releaseCheck')
rubyGemsUpload.mustRunAfter('releaseCheck')
rubyGemsUploadJRuby.mustRunAfter('releaseCheck')

task setVersion << {
    if (!project.hasProperty("to")) {
        throw new GradleException("Usage: ./gradlew setVersion -Pto=VERSION")
    }

    File gradle_ver = file('build.gradle')
    gradle_ver.write(gradle_ver.getText().replaceFirst("version = '(\\d+)(\\.\\d+){2}'", "version = '${to}'"))

    File ruby_ver = file('lib/embulk/version.rb')
    ruby_ver.write(ruby_ver.getText().replaceFirst("VERSION = '(\\d+)(\\.\\d+){2}'", "VERSION = '${to}'"))

    List<String> docs = [
        'README.md',
    ]
    docs.each() { path ->
        File doc = file(path)
        doc.write(doc.getText().replaceAll('embulk-(\\d+)(\\.\\d+){2}', "embulk-${to}"))
    }

    file("embulk-docs/src/release/release-${to}.rst").append("")
    "git add embulk-docs/src/release/release-${to}.rst".execute().waitFor()

    println "add 'release/release-${to}' line to embulk-docs/src/release.rst"
}